A Jedi knight's lightsaber has been voted the top movie weapon, pipping Dirty Harry's Magnum .44 to the post in a 20th Century Fox poll of 2,000 film buffs.
The Star Wars illuminated sword heads a mixed bag of offensive items, including the Hattori Hanzo katana from Kill Bill, Oddjob's unfriendly bowler hat* and Indy's bullwhip …

minigun ..

actually I think the minigun in Predator should have been a XM214 (5.56x45 nato) Microgun not the m134 (7.62x51 nato), as the SIX-PACK system (xm214, ammo pack, and power module weighed roughly 85 pounds .. figure minimum double that for the m134 system ... (feel free to disagree with these FACTS if you can find other proof?) .. and yes the M41A1 Pulse Rifle from Aliens (and to a lesser point A3) deserves to be on the list